A histogram possesses certain characteristics which must be studied to get more knowledge about it. These are as follows, Width of the bars represent class intervals. Frequence is indicated by the height of a bar in a histogram. A histogram has no space or gap between two bars. The data is continuous.
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A histogram has an appearance similar to a vertical bar chart, but there are no gaps between the bars. Generally, a histogram will have bars of equal width. Chart 5.7. 1 is an example of a histogram that shows the distribution of salary, a continuous variable, of the employees of a corporation.
A histogram is a display of statistical information that uses rectangles to show the frequency of data items in successive numerical intervals of equal size. In the most common form of histogram, the independent variable is plotted along the horizontal axis and the dependent variable is plotted along the vertical axis.
A bar graph is a pictorial representation using vertical and horizontal bars in a graph. The length of bars are proportional to the measure of data. It is also called bar chart. A histogram is also a pictorial representation of data using rectangular bars, that are adjacent to each other.
A histogram is the most commonly used graph to show frequency distributions. It looks very much like a bar chart, but there are important differences between them. This helpful data collection and analysis tool is considered one of the seven basic quality tools.